staining test meaning in English

染色试验
着色试验

Test method for identification of textile fibres . dye and stain tests
纺织纤维鉴别试验方法着色试验方法
Temporary protection against corrosion . stain test . short - term resinificationon stacked panels
临时防蚀产品.斑痕试验.短期树脂化成叠板材
Soils : investigation and testing . measuring of the methylene blue adsorption capacity of ? rocky soil . determination of the methylene blue of ? soil by means of the stain test
土壤.调查和试验.岩石类土壤亚甲基蓝吸收能力测量.着色试验法测定土壤的亚甲基蓝值